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Diffstat (limited to 'Xamarin.Forms.Platform.WinRT/CollapseWhenEmptyConverter.cs')
-rw-r--r--Xamarin.Forms.Platform.WinRT/CollapseWhenEmptyConverter.cs33
1 files changed, 33 insertions, 0 deletions
diff --git a/Xamarin.Forms.Platform.WinRT/CollapseWhenEmptyConverter.cs b/Xamarin.Forms.Platform.WinRT/CollapseWhenEmptyConverter.cs
new file mode 100644
index 00000000..311d315b
--- /dev/null
+++ b/Xamarin.Forms.Platform.WinRT/CollapseWhenEmptyConverter.cs
@@ -0,0 +1,33 @@
+´╗┐using System;
+using Windows.UI.Xaml;
+
+#if WINDOWS_UWP
+
+namespace Xamarin.Forms.Platform.UWP
+#else
+
+namespace Xamarin.Forms.Platform.WinRT
+#endif
+{
+ public class CollapseWhenEmptyConverter : Windows.UI.Xaml.Data.IValueConverter
+ {
+ public object Convert(object value, Type targetType, object parameter, string language)
+ {
+ var length = 0;
+
+ var s = value as string;
+ if (s != null)
+ length = s.Length;
+
+ if (value is int)
+ length = (int)value;
+
+ return length > 0 ? Visibility.Visible : Visibility.Collapsed;
+ }
+
+ public object ConvertBack(object value, Type targetType, object parameter, string language)
+ {
+ throw new NotSupportedException();
+ }
+ }
+} \ No newline at end of file